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- Title
Phase Equilibria of 450 °C Isothermal Section of Zn-Al-Mg-Si Quaternary System.
- Authors
Wang, Shuo; Ma, Kun; Liu, Ya; Wang, Jianhua; Su, Xuping
- Abstract
The isothermal section of the Zn-Al-Mg-Si quaternary system at 450 °C with Zn fixed at 70 at.% has been determined by means of scanning electron microscopy, energy dispersive spectroscopy and x-ray diffraction. The results show that there exist the following equilibria regions in the isothermal section: Liq. + α-Al + MgZn + MgSi and Liq. + α-Al + MgSi + (Si) four-phase regions, and Liq. + α-Al + MgSi, Liq. + α-Al + MgZn, Liq. + MgZn + MgSi, Liq. + α-Al + (Si) and Liq. + MgZn + (Si) three-phase regions. Si is almost insoluble in MgZn and α-Al. The maximum solubility of Al and Zn in MgSi is 1.8 and 6.1 at.%, respectively. The maximum solubility of Al and Si in MgZn is 3.2 and 0.5 at.%, respectively. No ternary and quaternary compounds were found in this study.
- Subjects
PHASE equilibrium; PHASE diagrams; QUATERNARY sequences; METAL complexes; BINARY metallic systems
- Publication
Journal of Phase Equilibria & Diffusion, 2017, Vol 38, Issue 6, p906
- ISSN
1547-7037
- Publication type
Article
- DOI
10.1007/s11669-017-0599-7